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Walter 3/4-16 NF High Speed Steel Bottoming Tap

$105.42/ea $90.67/1 per each only $90.67/eaSave 14%

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OVERVIEW

Durable HSS Taps for Tough Materials

Upgrade your threading capabilities with the Walter 3/4"-16 NF Bottoming Tap. When you need to cut new threads or repair damaged ones in a variety of tough materials, relying on a high-quality tool is non-negotiable. This tap is manufactured from superior High Speed Steel (HSS), offering exceptional hardness and resistance to breakage compared to standard carbon steel taps. It is specifically designed to handle the demands of mild steel, stainless steel, and aluminum, making it a versatile addition to any welding or maintenance workshop.

The "Bottoming" design of this tap is crucial for specific threading tasks. Unlike taper taps which have a gradual entry, a bottoming tap has almost no taper at the end. This allows you to thread virtually to the very bottom of a blind hole (a hole that does not go all the way through the material), ensuring maximum thread engagement for your bolts or fasteners. This is particularly important in heavy-duty machinery repair or custom fabrication where every millimeter of thread depth counts.

With a 3/4"-16 National Fine (NF) thread specification, this tool creates threads with a finer pitch, providing better resistance to vibration loosening and higher strength in tension. The precision manufacturing ensures that the tap cuts smoothly and ejects chips efficiently, reducing the risk of binding. Whether you are tapping a new fixture or cleaning up threads on a critical component, the Walter 03B126 delivers the reliability and performance professional welders and tradespeople expect.

Additional Information
Brand:Walter Surface Technologies
Item:Tap
Packaging Description:1 per each
Thread Size:3/4"-16 NF
Material:High-Speed Steel (HSS)
Tap Style:Bottoming
Thread Type:National Fine (NF)

INCLUDED

  • 1 x Walter 3/4"-16 NF HSS Bottoming Tap
  • Protective packaging

APPLICATIONS

  • Threading to the bottom of blind holes
  • Cutting new threads in mild steel, stainless steel, and aluminum
  • Repairing damaged or cross-threaded fine threads
  • Machining and fabrication workshops
  • Automotive and heavy equipment repair

FAQ

A bottoming tap has a very short chamfer (1-1.5 threads), allowing it to cut threads to the bottom of a blind hole. A plug tap has a longer chamfer (3-5 threads) and is easier to start but cannot thread as deep into a blind hole.

Yes, this Walter tap is made from High Speed Steel (HSS), which is durable enough to cut threads in stainless steel, as well as mild steel and aluminum.

NF stands for National Fine. It indicates that the thread pitch (16 threads per inch) is finer than the standard coarse (NC) thread for a 3/4" diameter.

Yes, using a high-quality cutting fluid or tapping oil is highly recommended to reduce friction, clear chips, and extend the life of the tap.

While it can be used for through holes, it is harder to start straight than a taper tap. It is best used as a finishing tap after a taper or plug tap, or specifically for blind holes.

This tap has 16 threads per inch (TPI), which corresponds to the standard National Fine (NF) pitch for a 3/4" diameter.
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